OOIR: Observatory of International Research

Papers

(The TQCC of Scandinavian Journal of Clinical & Laboratory Investigation is 2. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-05-01 to 2025-05-01.)

Article	Citations
Prognostic potential of creatinine and Cystatin C in COVID-19 – a retrospective cohort study from Karolinska University Hospital	17
Elevated estradiol in a prepubertal female: within-laboratory systematic and practical interference screening	17
First trimester serum apolipoproteins in the prediction of late-onset preeclampsia	17
Cardiohepatic syndrome and its prognostic predictive ability in patients with pulmonary arterial hypertension	17
A study of size-selective renal elimination using a novel human model	16
Short-term stability of routine coagulation tests under different storage temperatures in centrifuged whole blood samples: a practical approach	14
The performance of saliva test strips for determining ethanol levels, as compared to gas chromatography and breathalyser methods	13
Evaluation of the interference of lamotrigine on the analysis of synthetic cannabinoids in urine by the immunoassay method	12
Chemometrics assisted untargeted metabolomic analysis to explore metabolic alterations in chronic urticaria via LC/Q-TOF/MS/MS	12
Reference intervals for platelet large cell ratio, platelet distribution width, plateletcrit and standard haematological parameters determined on the Sysmex XN-10 in a cohort of 30,917 Danish blood do	11
Presence of macroproteins on the measurement of vitamin B12: studying high vitamin B12 levels using polyethylene glycol and heterophile antibody blocking tubes	11
Reference intervals for 23 common biochemical parameters during pregnancy and the first six postpartum months	10
Total and ionized calcium concentrations in human cerebrospinal fluid	9
Variation of NK, NKT, CD4⁺ T, CD8⁺ T cells, and IL-17A by CalliSpheres^® microspheres-transarterial chemoembolization in refractory liver metastases patients	9
The diagnostic accuracy of quality control rules	8
Establishing reference intervals for islet autoantibodies in Han Chinese type 1 diabetes	8
Reliability of a point of care testing blood gas analyzer for measurement of lactate levels in cerebrospinal fluid	8
Serum brain-derived neurotrophic factor reflects the lower inflammation, lipid level, and major adverse cardiac and cerebrovascular events risk in maintenance hemodialysis patients	8
The LEAP checklist for Laboratory Evaluation and Analytical Performance Characteristics reporting of clinical measurement procedures	8
Plasma N-terminal pro-B-type natriuretic peptide in the detection of aortic valve stenosis	7
LC-MS/MS analysis of 11-nor-9-carboxy-hexahydrocannabinol (HHC-COOH) and 11-hydroxy-hexahydrocannabinol (HHC-OH) for verification of hexahydrocannabinol (HHC) intake	7
Development of chemiluminescence method based on serum type I collagen hydroxyl terminal peptide β special sequence (β-CTX)	7
Correction	7
Urine test strips and iodine contamination: a tricky trick in iodine nutrition surveys	7
Clinical significance of SIRT3 and inflammatory factors in multiple myeloma patients with bortezomib-induced peripheral neuropathy: a cohort study	7

Effect of smoking cessation on cardiac troponin I concentrations	7
Lipid levels in a cohort of healthy Danish schoolchildren ages 5 to 17 years	7
Evaluation of a novel probe based on laser Doppler flowmetry and comparison with photo plethysmography for assessment of the skin perfusion pressure	7
Use of thrombomodulin-modified thrombin generation in uncomplicated pregnancy: the normal range and prothrombotic phenotype	7
Tracheal aspirate presepsin: a promising biomarker in early onset neonatal pneumonia	7
Eosinopenia and increased markers of endothelial damage are characteristic of COVID-19 infection at time of hospital admission	7
Lipemia impact on HBA1C measurements in patients with and without hemoglobin variant: a rational laboratory use evaluation	6
Stability of bilirubin and oxyhaemoglobin in cerebrospinal fluid	6
SUMO specific peptidase 1 decreases after induction treatment, and its reduction predicts lower disease risk, better treatment response, longer survival of acute myeloid leukemia	6
A technical and clinical evaluation of the new ThermoFisher BRAHMS unconjugated estriol and inhibin-A assays and their use in second trimester Down syndrome screening	6
Association of ferritin and transferrin saturation with all-cause mortality, and the effect of concurrent inflammation: a danish cohort study	6
Correction	6
Reference intervals for holotranscobalamin and total vitamin B12 in 6–12-year-old children in Norway: the Health Oriented Pedagogical Project (HOPP)	6
Optimal conditions for sampling of blood cytokine tests using AimPlex flow cytometry	6
Analytical and clinical performance of the Advansure i3 procalcitonin assay	6
Utility of comet assay of DNA damage in the detection of malignant transformation of chronic liver cirrhosis	5
Correlation between plasma biochemical parameters and cardio-hepatic iron deposition in thalassemia major patients	5
Verification of examination procedures for 72 biochemical parameters on the atellica^® clinical chemistry and immunoassay analyzers	5
High-sensitivity troponin T and I in patients suspected of acute myocardial infarction	5
Plasma metabolomics for diagnostic biomarkers on ectopic pregnancy	5
Factors associated with serum IgM concentrations: a general adult population study	5
Value of point-of-care neutrophil gelatinase associated lipocalin in early diagnosis of acute kidney injury in patients with left ventricular systolic dysfunction after coronary angiography	5
Evaluation of venous plasma glucose measured by point-of-care testing (Accu-Chek Inform II) and a hospital laboratory hexokinase method (Cobas c701) in oral glucose tolerance testing during pregnancy	5
Direct cord blood LAMP colorimetric phenol red assay for detecting α ⁰ -thalassemia (SEA deletion); the validation and post-natal screening in Thailand	5
Interference of preservatives on urinary iodine measurement by Sandell–Kolthoff method	5
The relationship between oxidative stress and autophagy and apoptosis in patients with paroxysmal atrial fibrillation	5
Analysis of HbA1c using microfluidic card (Capitainer qDBS card) as a pre-step before determination of the HbA1c value with an immunological method	4
The course of plasma alpha-1-microglobulin and haemolysis during cardiac surgery and the relationship to acute kidney injury, a pilot study	4
The effects of transport by pneumatic tube system on urine analysis	4
Differences in SARS-CoV-2 antibodies depending on age, blood group, and sex in a Swedish blood donor cohort	4
Smoking tobacco is associated with renal hyperfiltration	4
Critical test result management at Danish hospital laboratories: a national survey	4
Association of methylene tetrahydrofolate reductase (MTHFR) gene polymorphisms with serum folate, cobalanin and homocysteine concentrations in Greek adults	4
Evaluating routine blood and cerebrospinal fluid samples in narcolepsy patients	4
Blood suPAR, Th1 and Th17 cell may serve as potential biomarkers for elderly sepsis management	4
Biotin interference in routine IDS-iSYS immunoassays for aldosterone, renin, insulin-like growth factor 1, growth hormone and bone alkaline phosphatase	4
A deep dive into four thyroglobulin immunoassays from analytical perspective	4
Five days serum glucose stability at room-temperature in centrifuged fast-clotting serum tubes and the comparability with glucose in heparin-plasma and plasma containing citrate-stabilizer	4
Managing patients on direct factor Xa inhibitors with rapid thrombelastography	4
Serum interα-trypsin inhibitor heavy chain H4 may be an anti-inflammatory marker reflecting disease risk, activity and treatment outcome of ankylosing spondylitis	4
Multiplex recombinase polymerase amplification (RPA) assay for carrier detection and prenatal diagnosis of α ⁰ -thalassemia (SEA and THAI deletions)	4
Validation of an automated UPLC-MS/MS method for methylmalonic acid in serum/plasma and its application on clinical samples	4
The effect of posture and exercise on blood CO kinetics during the optimized carbon monoxide rebreathing procedure	4
Reproducibility and stability of the immature platelet fraction using Sysmex XN-10	4
Establishment of a reference interval for glycated albumin based on medical check-up data from multiple medical institutions	4
Reply to La Gioia: effects of cold agglutinins on the automated complete blood count accuracy	3
Association between fibrosis markers and kidney function following peptide receptor radionuclide therapy in patients with neuroendocrine tumours	3
Appearance of hexahydrocannabinols as recreational drugs and implications for cannabis drug testing – focus on HHC, HHC-P, HHC-O and HHC-H	3
Extending the Lund-Malmö creatinine-based GFR equation to cystatin C – validation results from the European Kidney Function Consortium (EKFC) cohort of children and adults	3
Mild impairment of renal function (shrunken pore syndrome) is associated with increased risk of a future first-ever myocardial infarction in women	3

Real-life experiences with goal-directed prohemostatic therapy with fibrinogen concentrate, prothrombin complex concentrate, and recombinant factor VIIa: a retrospective study of 287 consecutive patie	3
Development and validation of a laboratory-based risk score to predict the occurrence of critical illness in hospitalized patients with COVID-19	3
Red blood cell distribution width (RDW) reflects disease severity in patients with carbon monoxide poisoning: systematic literature review and meta-analysis	3
The understanding of the immunopathology in COVID-19 infection	3
Blood urea nitrogen/albumin ratio on admission predicts mortality in patients with non ST segment elevation myocardial infarction	3
Screening of biomarkers for prediction of multisite artery disease in patients with recent myocardial infarction	3
Evaluation of the sysmex UF-5000 fluorescence flow cytometer as a screening platform for ruling out urinary tract infections in elderly patients presenting at the Emergency Department	3
Longitudinal change of circulating tumour cell count and its relation to prognosis in advanced intrahepatic cholangiocarcinoma patients	3
The consistency of aminotransferase analysis in China: a comparison of six mainstream aminotransferase routine methods and recalibration using human pooled serum preparations supplemented with human r	3
Correlation of serum omentin-1 level with clinical features and major adverse cardiac and cerebral events in patients undergoing continuous ambulatory peritoneal dialysis	3
A single blood sample for stimulated LH assayed by ICMA is useful for monitoring the treatment efficacy of triptorelin depot in girls	3
Lot-to-lot difference: a new approach to evaluate regression studies	3
Gluten-free diet attenuates the impact of exogenous vitamin D on thyroid autoimmunity in young women with autoimmune thyroiditis: a pilot study	3
Correction	3
Correction	3
Undisclosed interference in 25-OH-Vitamin D immunoassay on Liaison XL analyzer when using heparin plasma tubes	3
Plasma or serum 5-hydroxyindoleacetic acid can be used interchangeably in patients with neuroendocrine tumours	3
Sulfate and acid-base balance	3
Evaluation of total leukocytes count by flow cytometry with Beckman Coulter® DXH900 in the presence of platelet aggregates	2
Evaluation of the ESR fast detector and Improve^® ESR analyzer as modified Westergren methods for erythrocyte sedimentation rate	2
Pre-analytical diagnostic differences despite high adherence to guidelines for gestational diabetes mellitus	2
Impact of direct oral anticoagulants on ROTEM® variables; a sample size-calculated experimental study	2
Acid content and buffer-capacity: a charge-balance perspective	2
Frequency of JAK2V617F, MPL and CALR driver mutations and associated clinical characteristics in a Norwegian patient cohort with myeloproliferative neoplasms	2
An LC-MS/MS assay for simultaneous determination of 13 steroid hormones and two synthetic steroids in saliva: potential utility for paediatric population and beyond	2
Stability of serum placental growth factor (PlGF) and soluble fms-like tyrosine kinase 1 (sFlt-1)	2
Early prediction of sepsis-induced respiratory tract infection using a biomarker-based machine-learning algorithm	2
Hematocrit to hemoglobin ratio (HHR) may improve prognostication in patients with pulmonary embolism	2
Response to the comments of Mukerji and Jones	2
Adjustment of lactate dehydrogenase concentration results according to the haemolysis index following in vitro haemolysis	2
Impact of TP53 gene variants on prognosis and survival of childhood acute lymphoblastic leukemia	2
Study of stability and interference for catecholamines and metanephrines, 3-methoxytyramine: key point of an accurate diagnosis for pheochromocytoma and paraganglioma	2
Standardised lung function metrics in healthy athletes	2
An indirect approach for reference intervals establishment of immunoglobulin A, G and M: the combination of laboratory database and statistics	2
Hypoosmolar and hyperosmolar COVID-19 patients are predisposed to dismal clinical outcomes	2
Acquired hemophilia A with SARS-CoV-2 mRNA vaccine: first case from Pakistan	2
Rest reduces venous lactate levels significantly in patients in outpatient clinic	2
Challenges of preanalytical variables in erythrocyte sedimentation rate: a CUBE 30 touch evaluation	2
Analytical interference on measurement of immunoglobulins in monoclonal gammopathy	2
Analytical evaluation of direct bicarbonate measurement with the new gem premier chemstat in hemodialysis patients	2
A pilot study on the relationship between zinc deficiency and anthropometric and metabolic parameters in obese adults in Serbia	2
Comparison of the ELISA method with the nephelometric method for determination of serum amyloid A in patients with COVID 19	2
Analytical validation of 39 clinical chemistry tests and 17 immunoassays on the Alinity analytical system	2
Evaluation of the Premier Hb9210 instrument for HbA1c determination	2
Performance evaluation of the glycated hemoglobin A1c analyzer for point-of-care testing compared with laboratory-based devices: a multicenter validation study	2
Normalized TSH strategy can improve the initial assessment of thyroid nodules	2
Comparison of sample materials for S100b analysis	2
Comparative analysis of protein expression profiles with genotypes in the diagnosis of Inborn Errors of Immunity	2
Challenged comparison of tacrolimus assays	2
Application of biological variation and sigma metrics to evaluate the performance of HbA_1c in external quality assessment	2
Computerized clinical decision support tool for diagnosing porphyria – improving efficiency in a specialized laboratory	2
Ultrafast LC-MS/MS analysis of 5-hydroxyindoleacetic acid (5-HIAA) in serum	2
The predictive value of postoperative soluble urokinase plasminogen activator receptor concentration for postoperative complications following valvular surgery	2
Quantifying plasma dacarbazine levels in advanced melanoma patients: a liquid chromatography-tandem mass spectrometry performance analysis	2
General practitioners’ assessment of interventions applied to optimize laboratory test utilization: a cross-sectional survey study	2
Association between snus use and lipid status in Swedish men	2
Nonalcoholic fatty liver disease and its prognosis associates with shorter leucocyte telomeres in a 21-year follow-up study	2
Diagnosis of α⁰-thalassemia Chiang Rai (‐‐^CR) deletion by melt curve analysis in Northern Thailand	2
FlowDiff: a simple, flow cytometry-based approach for performing a leukocyte differential count	2
Validation of the Hem-Col capillary blood collection system for routine laboratory analyses	2
Establishing a pediatric reference interval for plasma calprotectin	2
Analytical performance evaluation of sensitive and old generation reagent in routine practical use: estradiol experience	2
Plateletcrit and absolute immature platelet count are not impacted by platelet transfusions: a single-centre prospective study	2
Evaluation of a flow cytometry-based method for determination of T-lymphocyte subtypes for quality assessment of cell therapy products	2
Analytical evaluation and quality assessment of the ARKRAY ADAMS A1c HA-8190V for Hb A1c	2
Development and validation of a simple correction method for the measurement of neuron-specific enolase in hemolyzed serum samples	2
Establishment of reference intervals of homocysteine, cysteine, and methionine in apparently healthy Chinese adults	2
Inflammatory markers calprotectin, NETs, syndecan-1 and neopterin in COVID-19 convalescent blood donors	2
Diagnosing sucrase-isomaltase deficiency: a comparison of a ¹³ C-sucrose breath test and a duodenal enzyme assay	2